Display device



FIG. 1 is a left side view of a display device showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a perspective view thereof shown in a first configuration;

FIG. 4 is a perspective view thereof shown in a second configuration; and,

FIG. 5 is a perspective view thereof shown in a third configuration.

The features shown in broken lines in the drawings depict environmental subject matter and unclaimed borders and form no part of the claimed design. 

CLAIM The ornamental design for a display device, as shown and described. 